1381328

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{229}}^1$

素因数の和:279

約数の個数: 40

約数和(自身を含む): 2994600

約数和(自身を除く): 1613272

約数列:

[1, 2, 4, 8, 13, 16, 26, 29, 52, 58, 104, 116, 208, 229, 232, 377, 458, 464, 754, 916, 1508, 1832, 2977, 3016, 3664, 5954, 6032, 6641, 11908, 13282, 23816, 26564, 47632, 53128, 86333, 106256, 172666, 345332, 690664, 1381328]

約数ペア:

[(1, 1381328), (2, 690664), (4, 345332), (8, 172666), (13, 106256), (16, 86333), (26, 53128), (29, 47632), (52, 26564), (58, 23816), (104, 13282), (116, 11908), (208, 6641), (229, 6032), (232, 5954), (377, 3664), (458, 3016), (464, 2977), (754, 1832), (916, 1508)]